Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2870 and 2875 the smallest integer that is 1650250 that is divisible by both numbers.
Least Common Multiple (LCM) of 2870 and 2875 is 1650250.
LCM(2870,2875) = 1650250
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 2870 and 2875. First we will calculate the prime factors of 2870 and 2875.
Prime Factorization of 2870
2 | 2870 |
5 | 1435 |
7 | 287 |
41 | 41 |
1 |
Prime factors of 2870 are 2, 5, 7,41. Prime factorization of 2870 in exponential form is:
2870 = 21×51×71×411
Prime Factorization of 2875
5 | 2875 |
5 | 575 |
5 | 115 |
23 | 23 |
1 |
Prime factors of 2875 are 5,23. Prime factorization of 2875 in exponential form is:
2875 = 53×231
Now multiplying the highest exponent prime factors to calculate the LCM of 2870 and 2875.
LCM(2870,2875) = 21×53×71×231×411
LCM(2870,2875) = 1650250
Factors of 2870
List of positive integer factors of 2870 that divides 2870 without a remainder.
1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870
Factors of 2875
List of positive integer factors of 2875 that divides 2875 without a remainder.
1, 5, 23, 25, 115, 125, 575, 2875
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2870 and 2875, than apply into the LCM equation.
GCF(2870,2875) = 5
LCM(2870,2875) = ( 2870 × 2875) / 5
LCM(2870,2875) = 8251250 / 5
LCM(2870,2875) = 1650250
(i) The LCM of 2875 and 2870 is associative
LCM of 2870 and 2875 = LCM of 2875 and 2870
1. What is the LCM of 2870 and 2875?
Answer: LCM of 2870 and 2875 is 1650250.
2. What are the Factors of 2870?
Answer: Factors of 2870 are 1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870. There are 16 integers that are factors of 2870. The greatest factor of 2870 is 2870.
3. What are the Factors of 2875?
Answer: Factors of 2875 are 1, 5, 23, 25, 115, 125, 575, 2875. There are 8 integers that are factors of 2875. The greatest factor of 2875 is 2875.
4. How to Find the LCM of 2870 and 2875?
Answer:
Least Common Multiple of 2870 and 2875 = 1650250
Step 1: Find the prime factorization of 2870
2870 = 2 x 5 x 7 x 41
Step 2: Find the prime factorization of 2875
2875 = 5 x 5 x 5 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1650250 = 2 x 5 x 5 x 5 x 7 x 23 x 41
Step 4: Therefore, the least common multiple of 2870 and 2875 is 1650250.